CN113305605A - Wedged positioning clamp and positioning method - Google Patents
Wedged positioning clamp and positioning method Download PDFInfo
- Publication number
- CN113305605A CN113305605A CN202110514473.3A CN202110514473A CN113305605A CN 113305605 A CN113305605 A CN 113305605A CN 202110514473 A CN202110514473 A CN 202110514473A CN 113305605 A CN113305605 A CN 113305605A
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- pull rod
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- connecting rod
- channel
- positioning
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 101100008049 Caenorhabditis elegans cut-5 gene Proteins 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses a wedged tight type positioning clamp and a positioning method, wherein a telescopic pull rod is arranged at a positioning pin of a clamp bottom plate, and when positioning is needed and the pull rod needs to be pre-tightened to realize clamping, a boss at the upper end of the pull rod acts on a pressing plate and compresses a cut part; when the cut part needs to be taken down, the pull rod is loosened, and the cut part can be taken down after the pull rod rebounds; according to the invention, the adjusting screw is locked, so that the connecting rod is pushed by the adjusting screw, the guide movement of the connecting rod applies force to the positioning pin, and the pull rod moves downwards when being wedged tightly by the connecting rod, so that the boss at the upper end of the pull rod acts on the pressing plate to press a cut part; when the adjusting screw is loosened, the pull rod is free from the acting force of the connecting rod, the elastic nail at the bottom of the pull rod releases the compressed force to rebound, the pull rod is pushed to move upwards, and the cut part is also loosened; after the clamping device is used, a plurality of parts are clamped simultaneously, and only one-time adjustment of the screws is needed, so that the existing labor intensity is reduced, and the efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of machining clamping positioning, in particular to a wedged-clamping type positioning clamp and a positioning method.
Background
The prior art is shown in the attached figure 5: the part to be cut is installed on the clamp bottom plate, is positioned by using the positioning pin, is tightly pressed on the clamp bottom plate by the pressing plate by adjusting the locking screw, and is reliably positioned and clamped in the milling process. However, a plurality of parts are mounted on the same clamp base plate, and an operator needs to adjust the locking screw for 4 times (namely, each part needs to be compressed once) during the mounting of the parts, so that the labor intensity is high, and the time consumption is high.
Disclosure of Invention
The invention aims to provide a wedged positioning clamp and a positioning method, and solves the problems in the background technology.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
a method for positioning a wedged positioning clamp comprises the steps that a telescopic pull rod is arranged at a positioning pin of a clamp bottom plate, when positioning is needed, the pull rod needs to be pre-tightened to realize clamping, and a boss at the upper end of the pull rod acts on a pressing plate and compresses a cut part; when the cut part needs to be removed, the pull rod can be removed by rebounding after the pull rod is loosened.
As a further technical scheme of the invention: the positioning pin department of anchor clamps bottom plate is provided with vertical passageway, and this pull rod is placed in vertical passageway and can be followed vertical passageway and reciprocated.
As a further technical scheme of the invention: the method for realizing the pre-tightening of the pull rod is that a horizontal channel is arranged in a bottom plate of the clamp and is communicated with the middle part of the corresponding vertical channel, a horizontal pushing connecting rod is arranged in the horizontal channel, and the horizontal pushing connecting rod is tightly wedged with the corresponding pull rod, so that the pull rod moves downwards to finish the pre-tightening process.
As a further technical scheme of the invention: a conical guide surface is arranged in the middle of the pre-tightening pull rod, and a conical surface is arranged at the matching end of the horizontal pushing connecting rod and the pull rod and is matched with the corresponding conical guide surface.
As a further technical scheme of the invention: the other end face of the horizontal pushing connecting rod is provided with an adjusting screw hole, the horizontal pushing connecting rod at the adjusting screw hole is provided with an external thread structure, and the horizontal channel at the external thread structure is internally provided with an internal thread structure, so that the horizontal pushing connecting rod and the horizontal channel are in thread fit.
As a further technical scheme of the invention: the method for realizing the loosening of the pull rod is that an elastic nail is arranged below the pull rod and is fixed at the bottom of the vertical channel.
As a further technical scheme of the invention: the pull rod is 2 at least, and every pull rod sets up the vertical passageway that corresponds, is provided with the middle passageway of level between each vertical passageway and realizes each vertical passageway and horizontal passageway intercommunication through the middle passageway of level, is provided with the middle connecting rod of level in the middle passageway of level, and the both ends of connecting rod are provided with same conical surface in the middle of this level, connecting rod one end conical surface in the middle of the level and the toper spigot surface on the pull rod that corresponds, the other end promotes the connecting rod cooperation with the level that corresponds, realizes that this level promotes the connecting rod and realizes the control cooperation with all pull rods. A wedged and tightened type positioning clamp comprises a clamp bottom plate, wherein a vertical channel is arranged at a positioning pin of the clamp bottom plate, an elastic nail is arranged at the bottom of the vertical channel, a pull rod is arranged in the vertical channel and corresponds to the elastic nail in position, a lug boss is arranged at the upper end of the pull rod, a conical guide surface is arranged in the middle of the pull rod, a horizontal channel is arranged in the bottom plate of the clamp and is communicated with a vertical channel, a horizontal pushing connecting rod is arranged in the horizontal channel, the matching end of the horizontal pushing connecting rod is a conical surface and is matched with the conical guide surface of the corresponding pull rod to realize the wedging of the horizontal pushing connecting rod and the corresponding pull rod, the other end of the horizontal pushing connecting rod is provided with an external thread structure, an internal thread structure is arranged on a horizontal channel at the external thread structure, the horizontal pushing connecting rod and the horizontal channel are in threaded fit, and an adjusting screw hole is arranged on the end face of the other end of the horizontal pushing connecting rod; and a pressing plate and a part to be cut are sequentially arranged between the pull rod, the boss and the clamp bottom plate. As a further technical scheme of the invention: the vertical channel is at least 2, the horizontal middle channel is arranged between the vertical channels, the horizontal middle channel is used for communicating each vertical channel with the horizontal channel, the horizontal middle channel is internally provided with the horizontal middle connecting rod, the two ends of the horizontal middle connecting rod are provided with the same conical surface, the conical surface at one end of the horizontal middle connecting rod is matched with the conical guide surface on the corresponding pull rod, the other end of the horizontal middle connecting rod is matched with the corresponding horizontal pushing connecting rod, and the horizontal pushing connecting rod is matched with all the pull rods in a control mode.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the adjusting screw is locked, so that the connecting rod is pushed by the adjusting screw, the guiding movement of the connecting rod applies force to the positioning pin, and the pull rod moves downwards when being wedged tightly by the connecting rod, so that on one hand, the elastic nail at the bottom of the pull rod is compressed. On the other hand, the lug boss at the upper end of the pull rod acts on the pressing plate to press the cut part; when the adjusting screw is loosened, the connecting rod is not acted by the adjusting screw, the pull rod is not acted by the connecting rod, the elastic nail at the bottom of the pull rod releases compressed force to rebound, the pull rod is pushed to move upwards, the force acted on the pressing plate is loosened, and the cut part is loosened accordingly; after the clamping device is used, a plurality of parts are clamped simultaneously, and only one-time adjustment of the screws is needed, so that the existing labor intensity is reduced, and the efficiency is greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a top view of the structure of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line D-D of FIG. 1;
FIG. 4 is a cross-sectional view C-C of FIG. 2;
fig. 5 is a schematic diagram of a prior art structure.
The reference numerals are explained below:
1. a clamp base plate; 2. a pull rod; 3. a boss; 4. pressing a plate; 5. a part to be cut; 6. a vertical channel; 7. a horizontal channel; 8. horizontally pushing the connecting rod; 9. a tapered guide surface; 10. a conical surface; 11. adjusting screw holes; 12. elastic nails; 13. a horizontal intermediate channel; 14. a horizontal intermediate link; 15. and (4) threading.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 4, in an embodiment of the present invention, a positioning method of a wedging type positioning fixture is characterized in that: the method adopts the technical scheme that a telescopic pull rod 2 is arranged at a positioning pin of a clamp bottom plate 1, when the positioning is needed and the pull rod 2 needs to be pre-tightened to realize clamping, a boss 3 at the upper end of the pull rod 2 acts on a pressure plate 4 and compresses a cut part 5; when the cut part 5 needs to be taken down, the cut part 5 can be taken down by loosening the pull rod 2 and rebounding the pull rod 2, a vertical channel 6 is arranged at the position of the positioning pin of the clamp bottom plate 1, and the pull rod 2 is placed in the vertical channel 6 and can move up and down along the vertical channel 6.
The method for realizing the pre-tightening of the pull rod 2 is that a horizontal channel 7 is arranged in the clamp bottom plate 1, the horizontal channel 7 is communicated with the middle part of the corresponding vertical channel 6, a horizontal pushing connecting rod 8 is arranged in the horizontal channel 7, the horizontal pushing connecting rod 8 is tightly wedged with the corresponding pull rod 2, and the pull rod 2 moves downwards to finish the pre-tightening process; a conical guide surface 9 is arranged in the middle of the pre-tightening pull rod 2, a conical surface 10 is arranged at the matching end of the horizontal pushing connecting rod 8 and the pull rod 2, and the conical surface 10 is matched with the corresponding conical guide surface 9; set up adjusting screw hole 11 at the other end terminal surface of horizontal push connecting rod 8, set up the external screw thread structure on the horizontal push connecting rod 8 of adjusting screw hole 11 department, set up the internal thread structure in the horizontal channel 7 of external screw thread structure department, realize that horizontal push connecting rod 8 is thread fit with horizontal channel 7.
The method for realizing the loosening of the pull rod 2 is that an elastic nail 12 is arranged below the pull rod 2, and the elastic nail 12 is fixed at the bottom of the vertical channel 6.
The pull rod 2 is 2 at least, and every pull rod 2 sets up corresponding vertical passage 6, is provided with horizontal intermediate channel 13 between each vertical passage 6 and realizes that each vertical passage 6 communicates with horizontal passage 7 through horizontal intermediate channel 13, is provided with horizontal intermediate connecting rod 14 in the horizontal intermediate channel 13, and the both ends of this horizontal intermediate connecting rod 14 are provided with same conical surface 10, connecting rod 14 one end conical surface 10 in the middle of the level and the toper spigot surface 9 on the pull rod 2 that corresponds, the other end and the cooperation of the horizontal push connecting rod 8 that corresponds realize this horizontal push connecting rod 8 and all pull rods 2 and realize the control cooperation. The wedged positioning clamp formed according to the method comprises a clamp bottom plate 1 and is characterized in that: a vertical channel 6 is arranged at a positioning pin of a clamp bottom plate 1, an elastic nail 12 is arranged at the bottom of the vertical channel 6, a pull rod 2 is placed in the vertical channel 6, the pull rod 2 corresponds to the elastic nail 12 in position, a boss 3 is arranged at the upper end of the pull rod 2, a conical guide surface 9 is arranged at the middle part of the pull rod 2, a horizontal channel 7 is arranged in the clamp bottom plate 1, the horizontal channel 7 is communicated with the vertical channel 6, a horizontal pushing connecting rod 8 is arranged in the horizontal channel 7, the matching end of the horizontal pushing connecting rod 8 is a conical surface 10 and is matched with the conical guide surface 9 of the corresponding pull rod 8 to realize that the horizontal pushing connecting rod 8 is tightly wedged with the corresponding pull rod 2, an external thread structure is arranged at the other end of the horizontal pushing connecting rod 8, an internal thread structure is arranged on the horizontal channel 7 at the external thread structure to realize that the horizontal pushing connecting rod 8 is matched with the horizontal channel 7 by threads 15, and the end surface of the other end is provided with an adjusting screw hole 11; a pressing plate 4 and a part to be cut 5 are sequentially arranged between the pull rod 2, the boss 3 and the clamp base plate 1; the vertical channels 6 are at least 2, horizontal middle channels 13 are arranged between the vertical channels 6, and the vertical channels 6 are communicated with the horizontal channels 7 through the horizontal middle channels 13, horizontal middle connecting rods 14 are arranged in the horizontal middle channels 13, the same conical surfaces 10 are arranged at the two ends of each horizontal middle connecting rod 14, the conical surface 10 at one end of each horizontal middle connecting rod 14 is matched with the corresponding conical guide surface 9 on the pull rod 2, and the other end of each horizontal middle connecting rod is matched with the corresponding horizontal pushing connecting rod 8, so that the horizontal pushing connecting rods 8 are matched with all the pull rods 2 in a control mode.
When designed and used
Referring to the attached drawings C-C, 4 through holes are processed on the bottom plate of the clamp and used for installing connecting rods and adjusting screws, the gap between each connecting rod and each hole is guaranteed to be 0.2mm, and two ends of each through hole are sealed by plugs to prevent cutting scraps and dirt from entering (the plugs are formed by plastic compression molding).
See attached figures D-D, 4 vertical holes for installing the pull rod are processed on the bottom plate of the clamp, the gap between the pull rod and the holes is ensured to be 0.02mm, 4 small holes for installing the elastic nails are processed at the bottoms of the 4 holes (the elastic nails are molded by nylon materials), and the small holes are in interference fit with the elastic nails.
Before cutting a part, the part to be cut is placed on a positioning boss of a bottom plate of the clamp, a pressing plate is placed between a pull rod and the part to be cut, an adjusting screw is locked, so that a connecting rod is pushed by the adjusting screw, the connecting rod moves in a guiding mode to exert force on a positioning pin, the pull rod moves downwards when being wedged tightly by the connecting rod, and on one hand, an elastic nail at the bottom of the pull rod is compressed. On the other hand, the lug boss at the upper end of the pull rod acts on the pressure plate to press the cut part.
After the part is cut, the adjusting screw is loosened, the connecting rod is free from the acting force of the adjusting screw, the pull rod is free from the acting force of the connecting rod, the elastic nail at the bottom of the pull rod releases the compressed force to rebound, the pull rod is pushed to move upwards, the force acting on the pressing plate is loosened, the cut part is loosened, and the cut part can be taken down.
After this embodiment, the installation with dismantle the part more swift high-efficient, effectual reduction labourer's working strength.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (9)
1. A positioning method of a wedged positioning clamp is characterized in that: the method is characterized in that a telescopic pull rod (2) is arranged at a positioning pin of a clamp bottom plate (1), when positioning is needed, the pull rod (2) needs to be pre-tightened to realize clamping, and a boss (3) at the upper end of the pull rod (2) acts on a pressing plate (4) and compresses a cut part (5); when the cut part (5) needs to be removed, the pull rod (2) is loosened, and the cut part (5) can be removed by rebounding the pull rod (2).
2. The positioning method of the wedge-caulking positioning jig according to claim 1, wherein: the fixture is characterized in that a vertical channel (6) is arranged at the position of a positioning pin of the fixture bottom plate (1), and the pull rod (2) is placed in the vertical channel (6) and can move up and down along the vertical channel (6).
3. The positioning method of the wedge-caulking positioning jig according to claim 1, wherein: the method for realizing the pre-tightening of the pull rod (2) is that a horizontal channel (7) is arranged in the clamp bottom plate (1), the horizontal channel (7) is communicated with the middle of the corresponding vertical channel (6), a horizontal pushing connecting rod (8) is arranged in the horizontal channel (7), the horizontal pushing connecting rod (8) is wedged tightly with the corresponding pull rod (2), and then the pull rod (2) moves downwards to finish the pre-tightening process.
4. The positioning method of the wedge-caulking positioning jig according to claim 3, characterized in that: a conical guide surface (9) is arranged in the middle of the pre-tightening pull rod (2), a conical surface (10) is arranged at the matching end of the horizontal pushing connecting rod (8) and the pull rod (2), and the conical surface (10) is matched with the corresponding conical guide surface (9).
5. The positioning method of the wedge-caulking positioning jig according to claim 3, characterized in that: set up adjusting screw hole (11) at the other end terminal surface of horizontal promotion connecting rod (8), set up external screw thread structure on horizontal promotion connecting rod (8) of adjusting screw hole (11) department, set up internal thread structure in horizontal passageway (7) of external screw thread structure department, realize that horizontal promotion connecting rod (8) and horizontal passageway (7) are screw-thread fit.
6. The positioning method of the wedge-caulking positioning jig according to claim 1, wherein: the method for realizing the loosening of the pull rod (2) is that an elastic nail (12) is arranged below the pull rod (2), and the elastic nail (12) is fixed at the bottom of the vertical channel (6).
7. The positioning method of the wedge-caulking-type positioning jig according to any one of claims 1 to 6, wherein: pull rod (2) are 2 at least, and every pull rod (2) set up corresponding vertical channel (6), be provided with passageway (13) in the middle of the level between each vertical channel (6) and realize each vertical channel (6) and horizontal channel (7) intercommunication through passageway (13) in the middle of the level, be provided with connecting rod (14) in the middle of the level in passageway (13), the both ends of connecting rod (14) are provided with same conical surface (10) in the middle of this level, connecting rod (14) one end conical surface (10) and the toper spigot surface (9) on corresponding pull rod (2) in the middle of the level, the other end promotes connecting rod (8) cooperation with the level that corresponds, realizes that this level promotes connecting rod (8) and all pull rods (2) and realizes the control cooperation.
8. The utility model provides a wedge compact form positioning fixture, includes anchor clamps bottom plate (1), its characterized in that: a vertical channel (6) is arranged at the position of a positioning pin of a clamp bottom plate (1), an elastic nail (12) is arranged at the bottom of the vertical channel (6), a pull rod (2) is placed in the vertical channel (6), the pull rod (2) corresponds to the elastic nail (12), a boss (3) is arranged at the upper end of the pull rod (2), a conical guide surface (9) is arranged in the middle of the pull rod (2), a horizontal channel (7) is arranged in the clamp bottom plate (1), the horizontal channel (7) is communicated with the vertical channel (6), a horizontal pushing connecting rod (8) is arranged in the horizontal channel (7), the matching end of the horizontal pushing connecting rod (8) is a conical surface (10) and is matched with the conical guide surface (9) corresponding to the pull rod (8) to realize that the horizontal pushing connecting rod (8) is wedged tightly with the corresponding pull rod (2), and an external thread structure is arranged at the other end of the horizontal pushing connecting rod (8), an internal thread structure is arranged on the horizontal channel (7) at the external thread structure, so that the horizontal pushing connecting rod (8) is matched with the horizontal channel (7) through a thread (15), and an adjusting screw hole (11) is arranged on the end face of the other end of the horizontal pushing connecting rod; a pressing plate (4) and a part to be cut (5) are sequentially arranged between the pull rod (2), the boss (3) and the clamp bottom plate (1).
9. The wedge-tightened positioning fixture of claim 8, wherein: vertical passageway (6) are 2 at least, are provided with horizontal intermediate channel (13) between vertical passageway (6) and realize each vertical passageway (6) and horizontal passageway (7) intercommunication through horizontal intermediate channel (13), are provided with horizontal intermediate connecting rod (14) in horizontal intermediate channel (13), and the both ends of connecting rod (14) are provided with same conical surface (10) in the middle of this level, connecting rod (14) one end conical surface (10) and the toper spigot surface (9) on corresponding pull rod (2) in the middle of the level, the other end and the cooperation of the horizontal push connecting rod (8) that corresponds realize this horizontal push connecting rod (8) and all pull rods (2) and realize the control cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110514473.3A CN113305605A (en) | 2021-05-10 | 2021-05-10 | Wedged positioning clamp and positioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110514473.3A CN113305605A (en) | 2021-05-10 | 2021-05-10 | Wedged positioning clamp and positioning method |
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| Publication Number | Publication Date |
|---|---|
| CN113305605A true CN113305605A (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110514473.3A Pending CN113305605A (en) | 2021-05-10 | 2021-05-10 | Wedged positioning clamp and positioning method |
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| CN (1) | CN113305605A (en) |
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